document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1036957>Question 1036957</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A normal population has a mean of 20 and a standard deviation of 4. \r<BR>\n" );
document.write( "\n" );
document.write( "  \r<BR>\n" );
document.write( "\n" );
document.write( "a. Compute the z value associated with 24. (Round your answer to 2 decimal places.) \r<BR>\n" );
document.write( "\n" );
document.write( "  \r<BR>\n" );
document.write( "\n" );
document.write( "  Z    \r<BR>\n" );
document.write( "\n" );
document.write( "   \r<BR>\n" );
document.write( "\n" );
document.write( "b. <BR>\n" );
document.write( "What proportion of the population is between 20 and 24? (Round  z-score computation to 2 decimal places and your final answer to 4 decimal places.)<BR>\n" );
document.write( " \r<BR>\n" );
document.write( "\n" );
document.write( "  \r<BR>\n" );
document.write( "\n" );
document.write( "  Proportion    \r<BR>\n" );
document.write( "\n" );
document.write( "    \r<BR>\n" );
document.write( "\n" );
document.write( "c. <BR>\n" );
document.write( "What proportion of the population is less than 15? (Round z-score computation to 2 decimal places and your final answer to 4 decimal places.)<BR>\n" );
document.write( " \r<BR>\n" );
document.write( "\n" );
document.write( "  \r<BR>\n" );
document.write( "\n" );
document.write( "  Proportion    \r<BR>\n" );
document.write( "\n" );
document.write( " <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #651717 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=651717\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> z value is (24-20)/4=+1<BR>\n" );
document.write( "0.3413<BR>\n" );
document.write( "This is (15-20)/4=-1.25 for z<BR>\n" );
document.write( "P(z<-1.25)=0.1056 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );